MCN pharmacopoeia: ritodrine.
D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D011412:Propanolamines / Q000008:administration & dosage*; D012312:Ritodrine / Q000008:administration & dosage*
D011412:Propanolamines; D012312:Ritodrine